3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "\0".'-%00-' . implode(',',array_map('chr', range(1, 255))); var_dump($string); parse_str($string, $values); $count = 0; foreach($values as $key => $value) { echo var_export(++$count), ': ', var_dump($key), ' => ', var_dump($value), "\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00318.43
8.3.50.0140.00221.14
8.3.40.0040.01118.71
8.3.30.0100.00320.21
8.3.20.0040.00420.09
8.3.10.0070.00021.95
8.3.00.0050.00322.35
8.2.180.0130.01016.50
8.2.170.0110.00422.96
8.2.160.0070.01122.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.78
8.2.110.0030.00619.27
8.2.100.0040.00718.09
8.2.90.0000.00819.22
8.2.80.0080.00019.39
8.2.70.0030.00617.63
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0000.00818.28
8.2.30.0040.00419.52
8.2.20.0080.00017.55
8.2.10.0050.00217.68
8.2.00.0030.00717.75
8.1.280.0070.00725.92
8.1.270.0090.00023.99
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00322.35
8.1.230.0080.00320.94
8.1.220.0040.00418.77
8.1.210.0000.00718.96
8.1.200.0030.00617.38
8.1.190.0040.00417.54
8.1.180.0000.00918.10
8.1.170.0050.00318.48
8.1.160.0000.00718.84
8.1.150.0000.00818.59
8.1.140.0040.00417.36
8.1.130.0070.00317.82
8.1.120.0000.00817.57
8.1.110.0040.00417.52
8.1.100.0060.00317.36
8.1.90.0000.00717.48
8.1.80.0000.00817.49
8.1.70.0070.00017.41
8.1.60.0090.00017.63
8.1.50.0060.00317.59
8.1.40.0110.00017.57
8.1.30.0060.00317.70
8.1.20.0050.00317.71
8.1.10.0000.00717.52
8.1.00.0000.00917.52
8.0.300.0000.01020.09
8.0.290.0060.00317.18
8.0.280.0070.00018.55
8.0.270.0000.00717.22
8.0.260.0030.00316.79
8.0.250.0050.00516.86
8.0.240.0050.00716.98
8.0.230.0070.00016.89
8.0.220.0030.00316.80
8.0.210.0050.00216.94
8.0.200.0000.00616.94
8.0.190.0040.00417.00
8.0.180.0040.00316.93
8.0.170.0000.00816.92
8.0.160.0030.00616.94
8.0.150.0040.00416.93
8.0.140.0000.00916.95
8.0.130.0000.00613.39
8.0.120.0040.00416.89
8.0.110.0030.00616.91
8.0.100.0060.00316.93
8.0.90.0040.00416.94
8.0.80.0060.01216.92
8.0.70.0000.00716.82
8.0.60.0060.00316.98
8.0.50.0070.00016.87
8.0.30.0100.00917.02
8.0.20.0110.00817.40
8.0.10.0060.00316.88
8.0.00.0090.01016.80
7.4.330.0050.00016.71
7.4.320.0060.00016.48
7.4.300.0000.00616.61
7.4.290.0070.00016.54
7.4.280.0060.00316.65
7.4.270.0030.00316.45
7.4.260.0030.00313.42
7.4.250.0080.00016.52
7.4.240.0070.00016.56
7.4.230.0020.00516.53
7.4.220.0060.01316.48
7.4.210.0080.00716.66
7.4.200.0040.00416.47
7.4.190.0030.00316.70
7.4.160.0120.00916.41
7.4.150.0140.00417.40
7.4.140.0080.01017.86
7.4.130.0090.01016.45
7.4.120.0070.01016.59
7.4.110.0130.00316.57
7.4.100.0120.00916.50
7.4.90.0070.01016.53
7.4.80.0130.00919.39
7.4.70.0130.00316.54
7.4.60.0040.01416.47
7.4.50.0080.00016.34
7.4.40.0120.00322.77
7.4.30.0060.01216.50
7.4.00.0030.01014.82
7.3.330.0060.00013.28
7.3.320.0000.00613.15
7.3.310.0030.00316.32
7.3.300.0000.00616.20
7.3.290.0040.01116.36
7.3.280.0110.00616.30
7.3.270.0110.00717.40
7.3.260.0210.00316.70
7.3.250.0080.00916.35
7.3.240.0060.01516.32
7.3.230.0170.00016.39
7.3.210.0100.00616.50
7.3.200.0090.01319.39
7.3.190.0130.00716.46
7.3.180.0140.00616.38
7.3.170.0110.00516.54
7.3.160.0120.00616.46
7.3.120.0130.00315.05
7.2.330.0130.00716.64
7.2.320.0070.01116.70
7.2.310.0100.00716.68
7.2.300.0130.00316.56
7.2.290.0070.01616.59
7.1.70.0070.00717.05
7.1.60.0040.01819.17
7.1.50.0100.01316.92
7.1.00.0000.08022.40
7.0.200.0030.00316.73
7.0.140.0030.06722.07
7.0.100.0000.05019.94
7.0.90.0070.04019.95
7.0.80.0030.04019.87
7.0.70.0070.04319.92
7.0.60.0030.04020.08
7.0.50.0000.04720.36
7.0.40.0030.05720.04
7.0.30.0100.04020.05
7.0.20.0070.04019.95
7.0.10.0070.06320.12
7.0.00.0030.04320.04
5.6.280.0000.07321.15
5.6.250.0000.08320.67
5.6.240.0070.07720.69
5.6.230.0000.08020.57
5.6.220.0070.03720.70
5.6.210.0100.04320.50
5.6.200.0030.04321.07
5.6.190.0070.04020.97
5.6.180.0070.03721.05
5.6.170.0000.04720.99
5.6.160.0070.05021.11
5.6.150.0000.04321.16
5.6.140.0000.04321.08
5.6.130.0030.04321.12
5.6.120.0030.05721.08
5.6.110.0000.04721.07
5.6.100.0100.06021.08
5.6.90.0070.07721.12
5.6.80.0070.06720.36
5.6.70.0070.07320.58
5.6.60.0070.05320.49
5.6.50.0030.08720.49
5.6.40.0000.09020.38
5.6.30.0230.06320.43
5.6.20.0070.07720.32
5.6.10.0070.07720.43
5.6.00.0000.08020.54
5.5.380.0130.03020.39
5.5.370.0000.04320.46
5.5.360.0100.03720.39
5.5.350.0030.05720.49
5.5.340.0000.06020.87
5.5.330.0070.03720.68
5.5.320.0000.04320.90
5.5.310.0030.04020.86
5.5.300.0070.03720.86
5.5.290.0030.07720.83
5.5.280.0130.06720.97
5.5.270.0130.03320.86
5.5.260.0000.05020.93
5.5.250.0130.07020.68
5.5.240.0070.03720.15
5.5.230.0000.05320.34
5.5.220.0170.05320.24
5.5.210.0170.07020.21
5.5.200.0100.07320.30
5.5.190.0070.08020.25
5.5.180.0100.08020.02
5.5.160.0130.06320.02
5.5.150.0070.07720.29
5.5.140.0100.07020.30
5.5.130.0070.07320.26
5.5.120.0030.08020.27
5.5.110.0030.04720.17
5.5.100.0100.07319.98
5.5.90.0030.07720.06
5.5.80.0030.07720.11
5.5.70.0130.07320.09
5.5.60.0170.06019.93
5.5.50.0130.06720.06
5.5.40.0070.04020.09
5.5.30.0070.05020.17
5.5.20.0100.07720.16
5.5.10.0070.07720.04
5.5.00.0070.07720.09
5.4.450.0100.03319.43
5.4.440.0070.03719.39
5.4.430.0070.03719.27
5.4.420.0000.06719.23
5.4.410.0070.06719.31
5.4.400.0070.08019.13
5.4.390.0070.07319.12
5.4.380.0100.06718.83
5.4.370.0070.07018.98
5.4.360.0100.07019.07
5.4.350.0030.08018.81
5.4.340.0070.07318.82
5.4.320.0070.07719.06
5.4.310.0130.06719.14
5.4.300.0070.04719.14
5.4.290.0170.06318.97
5.4.280.0030.07319.03
5.4.270.0130.06319.12
5.4.260.0170.04718.96
5.4.250.0100.03318.78
5.4.240.0030.06719.21
5.4.230.0130.06019.21
5.4.220.0000.06319.02
5.4.210.0070.04718.82
5.4.200.0130.07018.89
5.4.190.0070.07019.09
5.4.180.0130.07019.04
5.4.170.0200.06319.05
5.4.160.0100.07719.20
5.4.150.0030.08019.02
5.4.140.0100.06716.33
5.4.130.0000.07316.33
5.4.120.0030.07316.33
5.4.110.0100.07316.26
5.4.100.0070.07716.31
5.4.90.0070.04316.27
5.4.80.0000.08016.40
5.4.70.0070.05016.25
5.4.60.0030.07016.42
5.4.50.0030.07716.39
5.4.40.0130.06716.29
5.4.30.0100.04016.35
5.4.20.0070.06016.23
5.4.10.0030.07716.45
5.4.00.0030.07015.87
5.3.290.0070.07014.74
5.3.280.0070.07714.64
5.3.270.0100.07314.67
5.3.260.0100.07014.50
5.3.250.0070.07014.67
5.3.240.0070.07314.67
5.3.230.0030.07314.53
5.3.220.0100.07314.64
5.3.210.0100.07014.64
5.3.200.0100.07014.62
5.3.190.0170.06714.64
5.3.180.0030.07714.60
5.3.170.0000.06314.49
5.3.160.0070.04314.63
5.3.150.0070.04014.63
5.3.140.0070.06714.50
5.3.130.0030.08014.56
5.3.120.0000.07314.62
5.3.110.0030.07714.48
5.3.100.0030.07713.98
5.3.90.0070.06713.95
5.3.80.0070.07014.11
5.3.70.0100.07014.05
5.3.60.0000.07713.84
5.3.50.0070.07314.02
5.3.40.0030.05314.03
5.3.30.0030.07713.98
5.3.20.0100.06313.71
5.3.10.0130.06013.59
5.3.00.0100.06013.67
5.2.170.0030.06311.01
5.2.160.0030.06711.13
5.2.150.0030.06711.21
5.2.140.0030.03711.20
5.2.130.0000.04310.96
5.2.120.0100.05711.13
5.2.110.0130.03011.20
5.2.100.0070.06011.20
5.2.90.0030.05711.04
5.2.80.0030.06710.96
5.2.70.0030.06711.18
5.2.60.0030.06011.16
5.2.50.0000.06311.04
5.2.40.0070.04011.05
5.2.30.0000.06711.10
5.2.20.0070.06011.05
5.2.10.0030.06010.86
5.2.00.0070.05310.85
5.1.60.0030.04310.13
5.1.50.0070.0539.95
5.1.40.0100.0379.94
5.1.30.0070.05010.48
5.1.20.0000.04310.32
5.1.10.0100.04710.23
5.1.00.0070.05710.00
5.0.50.0070.0408.67
5.0.40.0000.0408.50
5.0.30.0070.0608.32
5.0.20.0000.0478.27
5.0.10.0070.0408.32
5.0.00.0000.0678.17
4.4.90.0030.0338.17
4.4.80.0000.0378.17
4.4.70.0000.0378.17
4.4.60.0000.0338.17
4.4.50.0000.0308.17
4.4.40.0070.0478.17
4.4.30.0000.0408.17
4.4.20.0070.0338.17
4.4.10.0000.0408.17
4.4.00.0000.0508.17
4.3.110.0000.0338.17
4.3.100.0070.0278.17
4.3.90.0100.0278.17
4.3.80.0000.0538.17
4.3.70.0030.0138.17
4.3.60.0030.0338.17
4.3.50.0030.0238.17
4.3.40.0000.0338.17
4.3.30.0000.0178.17
4.3.20.0000.0378.17
4.3.10.0000.0378.17
4.3.00.0030.0338.17

preferences:
38.23 ms | 401 KiB | 5 Q